Epoxy Glass Fiber Winding Pipe

Epoxy glass fiber winding pipe is made of high-quality glass fiber impregnated with ultra-low viscosity and high temperature resistant epoxy resin, which is cross-wound under the computer control. It is a high-quality raw material for manufacturing high-voltage, ultra-high-voltage electrical appliances, and composite hollow bushings for current transformers.. Different voltage levels are suitable for different specifications of winding tubes . This product is widely used in transformer insulating bushings, ultra-thin telescopic bushings, polymer fuse bushings, lightning arrester insulating barrels and other fields.

Product specifications: The inner diameter of the pipe is a standard size, from 5mm to 2480mm. The outer diameter and length can be manufactured according to user requirements. The wall thickness of the small tube is ≥1mm, and the wall thickness of the large tube is ≥3mm. The length can be cut arbitrarily according to requirements. The product color is water green, and other colors can be customized.

The advantages of epoxy fiberglass pipe, the product is added with high temperature resistant resin, has high temperature resistance. Corrosion resistance, with excellent insulating properties.

The basic parameters of the product:

1. Winding angle: 45-65 (the winding angle can be adjusted according to different requirements to achieve better mechanical performance requirements)
2. Density, 1.9-2.00 g/cm³;
3. Water absorption, less than 0.03%;
4. Axial thermal expansion coefficient, 1.8 E-05 1/K;
5. Glass transition temperature, 110～160 ℃;
6. Chemical resistance Mineral oil: excellent;
7. Solvent and dilute acid: excellent;
8. Tensile elastic modulus, axial 14000 MPa;
9. Tensile strength; axial 280 MPa; circumferential 600 MPa;
10. Shear strength: 150 MPa;
11. Bending strength: axial 350 MPa;
12. Compressive strength: axial 240 MPa;
13. Relative permittivity 2-3.2;
14. Dielectric loss factor 0.003-0.015;
15. Partial discharge ≤5;
16. Dielectric strength: axial 3~6 kV; radial 10~12 kV;
17. Lightning shock: 110 KV
18. Power frequency impact: 50 KV;
19. Heat resistance grade: B, F, H